Finding the Fourth Proportional to 71,404,439.32, 98,540,204.79 and 40,463,579.80
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Solution
The fourth proportional to 71,404,439.32, 98,540,204.79 and 40,463,579.80 is: 55,840,917.99
Step by Step Solution
- Step 1: Write the proportion equation
71,404,439.32 : 98,540,204.79 = 40,463,579.80 : x - Step 2: Convert to fraction form
71,404,439.32/98,540,204.79 = 40,463,579.80/x - Step 3: Cross multiply
71,404,439.32x = 98,540,204.79 × 40,463,579.80 - Step 4: Simplify right side
71,404,439.32x = 3,987,289,440,028,507 - Step 5: Solve for x
x = 3,987,289,440,028,507/71,404,439.32 - Step 6: Final answer
x = 55,840,917.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.